/* eslint-disable no-div-regex */
/* eslint-disable camelcase */
/* eslint-disable valid-jsdoc */
/* eslint-disable eol-last */
/* eslint-disable indent */
/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
	if (arguments.length === 0) {
		return null;
	}
	const format = cFormat || "{y}-{m}-{d} {h}:{i}:{s}";
	let date;
	if (typeof time === "object") {
		date = time;
	} else {
		if (typeof time === "string" && /^[0-9]+$/.test(time)) {
			time = parseInt(time, 10);
		}
		if (typeof time === "number" && time.toString().length === 10) {
			time = time * 1000;
		}
		date = new Date(time);
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	};
	const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
		const value = formatObj[key];
		// Note: getDay() returns 0 on Sunday
		if (key === "a") {
			return ["日", "一", "二", "三", "四", "五", "六"][value];
		}
		return value.toString().padStart(2, "0");
	});
	return time_str;
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
	if (("" + time).length === 10) {
		time = parseInt(time, 10) * 1000;
	} else {
		time = +time;
	}
	const d = new Date(time);
	const now = Date.now();

	const diff = (now - d) / 1000;

	if (diff < 30) {
		return "刚刚";
	} else if (diff < 3600) {
		// less 1 hour
		return Math.ceil(diff / 60) + "分钟前";
	} else if (diff < 3600 * 24) {
		return Math.ceil(diff / 3600) + "小时前";
	} else if (diff < 3600 * 24 * 2) {
		return "1天前";
	}
	if (option) {
		return parseTime(time, option);
	} else {
		return (
			d.getMonth() +
			1 +
			"月" +
			d.getDate() +
			"日" +
			d.getHours() +
			"时" +
			d.getMinutes() +
			"分"
		);
	}
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
	url = url === null ? window.location.href : url;
	const search = url.substring(url.lastIndexOf("?") + 1);
	const obj = {};
	const reg = /([^?&=]+)=([^?&=]*)/g;
	search.replace(reg, (rs, $1, $2) => {
		const name = decodeURIComponent($1);
		let val = decodeURIComponent($2);
		val = String(val);
		obj[name] = val;
		return rs;
	});
	return obj;
}

/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
	// returns the byte length of an utf8 string
	let s = str.length;
	for (var i = str.length - 1; i >= 0; i--) {
		const code = str.charCodeAt(i);
		if (code > 0x7f && code <= 0x7ff) {
			s++;
		} else if (code > 0x7ff && code <= 0xffff) {
			s += 2;
		}
		if (code >= 0xdc00 && code <= 0xdfff) {
			i--;
		}
	}
	return s;
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
	const newArray = [];
	for (let i = 0; i < actual.length; i++) {
		if (actual[i]) {
			newArray.push(actual[i]);
		}
	}
	return newArray;
}

/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
	if (!json) {
		return "";
	}
	return cleanArray(
		Object.keys(json).map((key) => {
			if (json[key] === undefined) {
				return "";
			}
			return encodeURIComponent(key) + "=" + encodeURIComponent(json[key]);
		})
	).join("&");
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
	const search = url.split("?")[1];
	if (!search) {
		return {};
	}
	return JSON.parse(
		'{"' +
			decodeURIComponent(search)
				.replace(/"/g, '\\"')
				.replace(/&/g, '","')
				.replace(/=/g, '":"')
				.replace(/\+/g, " ") +
			'"}'
	);
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
	const div = document.createElement("div");
	div.innerHTML = val;
	return div.textContent || div.innerText;
}

/**
 * Merges two objects, giving the last one precedence
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
	if (typeof target !== "object") {
		target = {};
	}
	if (Array.isArray(source)) {
		return source.slice();
	}
	Object.keys(source).forEach((property) => {
		const sourceProperty = source[property];
		if (typeof sourceProperty === "object") {
			target[property] = objectMerge(target[property], sourceProperty);
		} else {
			target[property] = sourceProperty;
		}
	});
	return target;
}

/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
	if (!element || !className) {
		return;
	}
	let classString = element.className;
	const nameIndex = classString.indexOf(className);
	if (nameIndex === -1) {
		classString += "" + className;
	} else {
		classString =
			classString.substr(0, nameIndex) +
			classString.substr(nameIndex + className.length);
	}
	element.className = classString;
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
	if (type === "start") {
		return new Date().getTime() - 3600 * 1000 * 24 * 90;
	} else {
		return new Date(new Date().toDateString());
	}
}

/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
	let timeout, args, context, timestamp, result;

	const later = function() {
		// 据上一次触发时间间隔
		const last = +new Date() - timestamp;

		// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
		if (last < wait && last > 0) {
			timeout = setTimeout(later, wait - last);
		} else {
			timeout = null;
			// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
			if (!immediate) {
				result = func.apply(context, args);
				if (!timeout) {
					context = args = null;
				}
			}
		}
	};

	return function(...args) {
		context = this;
		timestamp = +new Date();
		const callNow = immediate && !timeout;
		// 如果延时不存在，重新设定延时
		if (!timeout) {
			timeout = setTimeout(later, wait);
		}
		if (callNow) {
			result = func.apply(context, args);
			context = args = null;
		}

		return result;
	};
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
	if (!source && typeof source !== "object") {
		throw new Error("error arguments", "deepClone");
	}
	const targetObj = source.constructor === Array ? [] : {};
	Object.keys(source).forEach((keys) => {
		if (source[keys] && typeof source[keys] === "object") {
			targetObj[keys] = deepClone(source[keys]);
		} else {
			targetObj[keys] = source[keys];
		}
	});
	return targetObj;
}

/**
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
	return Array.from(new Set(arr));
}

/**
 * @returns {string}
 */
export function createUniqueString() {
	const timestamp = +new Date() + "";
	const randomNum = parseInt((1 + Math.random()) * 65536, 10) + "";
	return (+(randomNum + timestamp)).toString(32);
}

/**
 * @returns {string}
 */
export function randomStr(len = 32) {
	const $chars =
		"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
	const maxPos = $chars.length;
	let str = "";
	for (let i = 0; i < len; i++) {
		str += $chars.charAt(Math.floor(Math.random() * maxPos));
	}
	return str;
}

/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
	return !!ele.className.match(new RegExp("(\\s|^)" + cls + "(\\s|$)"));
}

/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
	if (!hasClass(ele, cls)) {
		ele.className += " " + cls;
	}
}

/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
	if (hasClass(ele, cls)) {
		const reg = new RegExp("(\\s|^)" + cls + "(\\s|$)");
		ele.className = ele.className.replace(reg, " ");
	}
}

/**
 * 获取元素的并集
 * @param {array} arr1
 * @param {array} arr2
 * @returns {array}
 */
export function getUnionData(arr1, arr2) {
	if (!(arr1 instanceof Array) || !(arr2 instanceof Array)) {
		return [];
	}
	const arr3 = arr1.concat(arr2);
	let result = [];
	const obj = [];
	result = arr3.reduce((prev, cur) => {
		obj[cur.id] ? "" : (obj[cur.id] = true && prev.push(cur));
		return prev;
	}, []);
	return result;
}

/**
 * 获取元素的交集
 * @param {array} arr1
 * @param {array} arr2
 * @returns {array}
 */
export function getIntersection(nums1, nums2) {
	const idArr = nums1.map((v) => v.id);
	return nums2.filter((v) => idArr.indexOf(v.id) !== -1);
}

/**
 * 分割指定长度的元素
 * @param {array} arr1
 * @param {array} arr2
 * @returns {array}
 * console.log(listChunk([1, 2, 3, 4, 5, 6, 7, 8, 9])) // [[1], [2], [3], [4], [5], [6], [7], [8], [9]]
 */
export function listChunk(list, size = 1, cachesList) {
	const tmp = [...list];
	if (size <= 0) {
		return cachesList;
	}
	while (tmp.length) {
		cachesList.push(tmp.splice(0, size));
	}
	return cachesList;
}
